Phillips, J. (2022). PMP: Project management professional exam guide. McGraw-Hill Education.
Lua i Stíl Chicago (17ú heag.)Phillips, Joseph. PMP: Project Management Professional Exam Guide. New York: McGraw-Hill Education, 2022.
Lua MLA (9ú heag.)Phillips, Joseph. PMP: Project Management Professional Exam Guide. McGraw-Hill Education, 2022.
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